Shared Bandwidth: Why Is the WLAN So Slow?


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Enterprises are finding that expanding a wireless LAN (WLAN) can be difficult. The desired result of higher available bandwidth may not be realized. Wireless communications, like hub- based Ethernet, have a limiting factor – the shared bandwidth of the medium. Recognizing wireless networking limitations can help the enterprise plan their WLAN infrastructure.

So Little Bandwidth

In a WLAN, the total available bandwidth can be increased by pulling more cable and adding more switches. Even the backbone network can have additional capacity added in this same way – more cable and additional switches and routers. While each cable has a fixed bandwidth there is no limit on the number of cables that can be installed. Wireless networking doesn't expand so easily. You can't "pull" more spectrum in the facility.

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Search Code: 4008
Published: October 10, 2006
Last Revised: October 10, 2006

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